Clinical and Technical Characteristics of Coronary Angiography and Percutaneous Coronary Interventions Performed before and after Transcatheter Aortic Valve Replacement with a Balloon-Expandable Valve
Table 2
Clinical and procedural characteristics for the coronary angiogram group (n = 28).
Pre-TAVR
Post-TAVR
value
Clinical characteristics
Time from TAVR (days)
428.57 ± 1287.40
748.75 ± 686.62
—
Procedure indication
Asymptomatic/silent ischemia
21 (75.0)
10 (35.7)
0.008
Stable angina
2 (7.1)
0 (0)
—
Unstable angina
3 (10.7)
11 (39.3)
0.021
Non-ST elevation myocardial infarction
2 (7.1)
5 (17.9)
0.257
ST elevation myocardial infarction
0 (0)
2 (7.1)
—
Procedural characteristics
Access site
Femoral
9 (32.1)
10 (35.7)
0.655
Radial
19 (67.9)
18 (64.3)
0.602
Catheter diameter (French)
4
0 (0)
2 (7.1)
—
5
28 (100)
25 (89.3)
—
6
0 (0)
1 (3.6)
—
Number of diagnostic catheters used
Left coronary artery
1.21 ± 0.69
1.04 ± 0.33
0.219
Right coronary artery
1.21 ± 0.79
0.96 ± 0.58
0.305
VG/LIMA
0.79 ± 0.96
0.82 ± 0.94
1.000
Number of guidings needed
Left coronary artery
0.14 ± 0.36
0 ± 0
0.125
Right coronary artery
0 ± 0
0 ± 0
—
Selective injection achieved
Left coronary artery
25 (92.6)
22 (81.5)
0.257
Right coronary artery
22 (95.7)
19 (82.6)
0.083
Number of angiographic views
12.27 ± 4.71
9.85 ± 3.03
0.004
Ventriculography ± aortogram performed
22 (78.6)
11 (39.3)
0.008
Procedural duration (min)
24.86 ± 10.85
23.43 ± 8.36
0.877
Fluoroscopy time (min)
7.59 ± 6.06
6.23 ± 4.20
0.269
Dose area product (cGy/cm2)
6295.88 ± 5125.99
4252.11 ± 2255.88
0.008
Contrast amount (mL)
125.32 ± 58.27
83.79 ± 40.77
0.003
Variables are expressed as n (%) or mean ± SD. LIMA = left internal mammary artery; VG = venous graft.
